import org.onap.crud.entity.Edge;
import org.onap.crud.entity.Vertex;
import org.onap.crud.exception.CrudException;
+import org.onap.crud.service.BulkPayload;
+import org.onap.crud.service.EdgePayload;
+import org.onap.crud.service.VertexPayload;
import org.onap.schema.EdgeRulesLoader;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;